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configure: add a proper configure script

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It's not very good, but it supports all of the options by the
previous far-worse Makefile configure targets, and also now supports
out-of-tree builds.

Also include the relevent updates to the .buildbot script and
.gitignore.
This commit is contained in:
Max Regan
2017-05-28 23:08:13 -07:00
parent ba534f81e4
commit 6a9e8b06a7
5 changed files with 137 additions and 58 deletions
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43
src/gbasm/opcodes.c
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@@ -15,6 +15,11 @@ static bool gbasm_argtype_in_set(uint32_t argtype_set, uint32_t argtype)
return !!(argtype & argtype_set);
}
static bool imm_is_8_bit(uint16_t val)
{
return (val <= 127) && (val >= -128);
}
static int check_no_args(const struct gbasm_parsed_inst *inst,
const struct gbasm_op_info *op_info)
{
@@ -89,6 +94,11 @@ static int ld_check(const struct gbasm_parsed_inst *inst,
gbasm_arg_wrong_type_error(inst, op_info);
}
if (inst->operands[0].type == GBASM_OPERAND_REG_8 &&
imm_is_8_bit(inst->operands[1].imm.value)) {
}
return 0;
}
@@ -163,16 +173,33 @@ size_t dec_emit(struct emitter *emitter,
}
size_t ld_emit(struct emitter *emitter,
const struct gbasm_parsed_inst *inst)
const struct gbasm_parsed_inst *inst)
{
uint64_t opcode = 0x40;
uint8_t opcode;
uint8_t imm8;
opcode += inst->operands[0].r8.type * 8;
opcode += inst->operands[1].r8.type;
if (inst->operands[0].type == GBASM_OPERAND_REG_8) {
switch (inst->operands[1].type) {
case GBASM_OPERAND_REG_8:
opcode = 0x40;
opcode += inst->operands[0].r8.type * 8;
opcode += inst->operands[1].r8.type;
emit(emitter, &opcode, 1);
return 1;
case GBASM_OPERAND_IMM:
imm8 = inst->operands[1].imm.value;
opcode = 0x06;
opcode += inst->operands[0].r8.type * 8;
emit(emitter, &opcode, 1);
emit(emitter, &imm8, 1);
return 2;
default:
break;
}
emit(emitter, &opcode, 1);
}
return 1;
return -1;
}
struct gbasm_op_info gbasm_op_infos[] = {
@@ -293,7 +320,9 @@ struct gbasm_op_info gbasm_op_infos[] = {
{
.opcode = "ld",
/* support all of the other operands */
.operand_types = { GBASM_OPERAND_REG_8, GBASM_OPERAND_REG_8 },
.operand_types = { GBASM_OPERAND_REG_8,
GBASM_OPERAND_REG_8 |
GBASM_OPERAND_IMM },
.check = ld_check,
.length = length_one_byte,
.emit = ld_emit,